Gynae BT_Lucknow_2018

Dose in D90 and HR CTV for point A prescription: the dilemma High Target Doses in small tumours Low Target Doses in large tumours Violation of OAR constraints

140

Standard

130

120

110

100

90

80

HR-CTV D90 standard

70

60

50

0 10 20 30 40 50 60 70 80 90 100 110

Volume HR CTV, cm 3

K Tanderup et al, Radiother Oncol 2010 Tanderup et al.

Violation of OAR constraint

38